| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 199 |
9.3%
|
| 2 | 2 | 130 |
6.1%
|
| 3 | 3 | 8 |
0.4%
|
| 4 | 4 | 20 |
0.9%
|
| 5 | 5 | 138 |
6.5%
|
| 6 | 6 | 2 |
0.1%
|
| 7 | 7 | 1 |
0%
|
| Missing value | 1641 |
76.7%
|